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< ul class = "simple simple-toc" id = "toc-list" >
< li >
< a class = "reference reference-toplevel" href = "#12" id = "62" > Procs< / a >
< ul class = "simple simple-toc-section" >
< ul class = "simple nested-toc-section" > capLen
< li > < a class = "reference" href = "#capLen%2Cseq%5BT%5D%2CNatural"
title="capLen[T](s: var seq[T]; length: Natural)">capLen[T](s: var seq[T]; length: Natural)< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > shortLog
< li > < a class = "reference" href = "#shortLog%2CopenArray%5Bbyte%5D"
title="shortLog(item: openArray[byte]): string">shortLog(item: openArray[byte]): string< / a > < / li >
< li > < a class = "reference" href = "#shortLog%2Cstring"
title="shortLog(item: string): string">shortLog(item: string): string< / a > < / li >
< / ul >
< / ul >
< / li >
< li >
< a class = "reference reference-toplevel" href = "#17" id = "67" > Macros< / a >
< ul class = "simple simple-toc-section" >
< ul class = "simple nested-toc-section" > withValue
< li > < a class = "reference" href = "#withValue.m%2C%2Cuntyped%2Cuntyped%2Cuntyped"
title="withValue[T](self: Opt[T] | Option[T]; value, body, elseStmt: untyped): untyped">withValue[T](self: Opt[T] | Option[T]; value, body, elseStmt: untyped): untyped< / a > < / li >
< / ul >
< / ul >
< / li >
< li >
< a class = "reference reference-toplevel" href = "#18" id = "68" > Templates< / a >
< ul class = "simple simple-toc-section" >
< ul class = "simple nested-toc-section" > compilesOr
< li > < a class = "reference" href = "#compilesOr.t%2Cuntyped%2Cuntyped"
title="compilesOr(a, b: untyped): untyped">compilesOr(a, b: untyped): untyped< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > exceptionToAssert
< li > < a class = "reference" href = "#exceptionToAssert.t%2Cuntyped"
title="exceptionToAssert(body: untyped): untyped">exceptionToAssert(body: untyped): untyped< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > public
< li > < a class = "reference" href = "#public.t"
title="public()">public()< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > safeConvert
< li > < a class = "reference" href = "#safeConvert.t%2CS"
title="safeConvert[T: SomeInteger; S: Ordinal](value: S): T">safeConvert[T: SomeInteger; S: Ordinal](value: S): T< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > toOpt
< li > < a class = "reference" href = "#toOpt.t%2CResult%5BT%2CE%5D"
title="toOpt[T, E](self: Result[T, E]): Opt[T]">toOpt[T, E](self: Result[T, E]): Opt[T]< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > valueOr
< li > < a class = "reference" href = "#valueOr.t%2COption%5BT%5D%2Cuntyped"
title="valueOr[T](self: Option[T]; body: untyped): untyped">valueOr[T](self: Option[T]; body: untyped): untyped< / a > < / li >
< / ul >
< ul class = "simple nested-toc-section" > withValue
< li > < a class = "reference" href = "#withValue.t%2CResult%5BT%2CE%5D%2Cuntyped%2Cuntyped"
title="withValue[T, E](self: Result[T, E]; value, body: untyped): untyped">withValue[T, E](self: Result[T, E]; value, body: untyped): untyped< / a > < / li >
< li > < a class = "reference" href = "#withValue.t%2C%2Cuntyped%2Cuntyped"
title="withValue[T](self: Opt[T] | Option[T]; value, body: untyped): untyped">withValue[T](self: Opt[T] | Option[T]; value, body: untyped): untyped< / a > < / li >
< / ul >
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< / li >
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< a
href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L1"
class="link-seesrc" target="_blank">Source< / a >
< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L1" class = "link-seesrc" target = "_blank" > Edit< / a >
< div class = "nine columns" id = "content" >
< div id = "tocRoot" > < / div >
< p class = "module-desc" > < / p >
< div class = "section" id = "12" >
< h1 > < a class = "toc-backref" href = "#12" > Procs< / a > < / h1 >
< dl class = "item" >
< div id = "capLen,seq[T],Natural" class = "tohide" >
< dt > < pre > < span class = "Keyword" > proc< / span > < a href = "#capLen%2Cseq%5BT%5D%2CNatural" > < span class = "Identifier" > capLen< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > s< / span > < span class = "Other" > :< / span > < span class = "Keyword" > var< / span > < span class = "Identifier" > seq< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > ;< / span > < span class = "Identifier" > length< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Natural< / span > < span class = "Other" > )< / span > {.< span > < span class = "Other pragmadots" > ...< / span > < / span > < span class = "pragmawrap" > < span class = "Identifier" > raises< / span > < span class = "Other" > :< / span > < span class = "Other" > [< / span > < span class = "Other" > ]< / span > < / span > .}< / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L69"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L69" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "shortLog,openArray[byte]" class = "tohide" >
< dt > < pre > < span class = "Keyword" > func< / span > < a href = "#shortLog%2CopenArray%5Bbyte%5D" > < span class = "Identifier" > shortLog< / span > < / a > < span class = "Other" > (< / span > < span class = "Identifier" > item< / span > < span class = "Other" > :< / span > < span class = "Identifier" > openArray< / span > < span class = "Other" > [< / span > < span class = "Identifier" > byte< / span > < span class = "Other" > ]< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > string< / span > {.< span > < span class = "Other pragmadots" > ...< / span > < / span > < span class = "pragmawrap" > < span class = "Identifier" > raises< / span > < span class = "Other" > :< / span > < span class = "Other" > [< / span > < span class = "Other" > ]< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > tags< / span > < span class = "Other" > :< / span > < span class = "Other" > [< / span > < span class = "Other" > ]< / span > < / span > .}< / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L24"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L24" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "shortLog,string" class = "tohide" >
< dt > < pre > < span class = "Keyword" > func< / span > < a href = "#shortLog%2Cstring" > < span class = "Identifier" > shortLog< / span > < / a > < span class = "Other" > (< / span > < span class = "Identifier" > item< / span > < span class = "Other" > :< / span > < span class = "Identifier" > string< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > string< / span > {.< span > < span class = "Other pragmadots" > ...< / span > < / span > < span class = "pragmawrap" > < span class = "Identifier" > raises< / span > < span class = "Other" > :< / span > < span class = "Other" > [< / span > < span class = "Other" > ]< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > tags< / span > < span class = "Other" > :< / span > < span class = "Other" > [< / span > < span class = "Other" > ]< / span > < / span > .}< / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L36"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L36" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< / dl > < / div >
< div class = "section" id = "17" >
< h1 > < a class = "toc-backref" href = "#17" > Macros< / a > < / h1 >
< dl class = "item" >
< div id = "withValue.m,,untyped,untyped,untyped" class = "tohide" >
< dt > < pre > < span class = "Keyword" > macro< / span > < a href = "#withValue.m%2C%2Cuntyped%2Cuntyped%2Cuntyped" > < span class = "Identifier" > withValue< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > self< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Opt< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Operator" > |< / span > < span class = "Identifier" > Option< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > ;< / span > < span class = "Identifier" > value< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > body< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > elseStmt< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > {.
< span > < span class = "Other pragmadots" > ...< / span > < / span > < span class = "pragmawrap" > < span class = "Identifier" > raises< / span > < span class = "Other" > :< / span > < span class = "Other" > [< / span > < span class = "Other" > ]< / span > < / span > .}< / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L117"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L117" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< / dl > < / div >
< div class = "section" id = "18" >
< h1 > < a class = "toc-backref" href = "#18" > Templates< / a > < / h1 >
< dl class = "item" >
< div id = "compilesOr.t,untyped,untyped" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#compilesOr.t%2Cuntyped%2Cuntyped" > < span class = "Identifier" > compilesOr< / span > < / a > < span class = "Other" > (< / span > < span class = "Identifier" > a< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > b< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L21"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L21" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "exceptionToAssert.t,untyped" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#exceptionToAssert.t%2Cuntyped" > < span class = "Identifier" > exceptionToAssert< / span > < / a > < span class = "Other" > (< / span > < span class = "Identifier" > body< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L73"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L73" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "public.t" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#public.t" > < span class = "Identifier" > public< / span > < / a > < span class = "Other" > (< / span > < span class = "Other" > )< / span > {.< span class = "Identifier" > pragma< / span > .}< / pre > < / dt >
< dd >
< a
href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L17"
class="link-seesrc" target="_blank">Source< / a >
< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L17" class = "link-seesrc" target = "_blank" > Edit< / a >
< / dd >
< / div >
< div id = "safeConvert.t,S" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#safeConvert.t%2CS" > < span class = "Identifier" > safeConvert< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > :< / span > < span class = "Identifier" > SomeInteger< / span > < span class = "Other" > ;< / span > < span class = "Identifier" > S< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Ordinal< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > value< / span > < span class = "Other" > :< / span > < span class = "Identifier" > S< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > T< / span > < / pre > < / dt >
< dd >
Converts < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > value< / span > < / span > < / tt > from S to < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > T< / span > < / span > < / tt > iff < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > value< / span > < / span > < / tt > is guaranteed to be preserved.
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L62"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L62" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "toOpt.t,Result[T,E]" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#toOpt.t%2CResult%5BT%2CE%5D" > < span class = "Identifier" > toOpt< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > E< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > self< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Result< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > E< / span > < span class = "Other" > ]< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Opt< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L134"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L134" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "valueOr.t,Option[T],untyped" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#valueOr.t%2COption%5BT%5D%2Cuntyped" > < span class = "Identifier" > valueOr< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > self< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Option< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > ;< / span > < span class = "Identifier" > body< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L127"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L127" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "withValue.t,Result[T,E],untyped,untyped" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#withValue.t%2CResult%5BT%2CE%5D%2Cuntyped%2Cuntyped" > < span class = "Identifier" > withValue< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > E< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > self< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Result< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > E< / span > < span class = "Other" > ]< / span > < span class = "Other" > ;< / span > < span class = "Identifier" > value< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > body< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < / pre > < / dt >
< dd >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L114"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L114" class = "link-seesrc" target = "_blank" > Edit< / a >
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< / dd >
< / div >
< div id = "withValue.t,,untyped,untyped" class = "tohide" >
< dt > < pre > < span class = "Keyword" > template< / span > < a href = "#withValue.t%2C%2Cuntyped%2Cuntyped" > < span class = "Identifier" > withValue< / span > < / a > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > (< / span > < span class = "Identifier" > self< / span > < span class = "Other" > :< / span > < span class = "Identifier" > Opt< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Operator" > |< / span > < span class = "Identifier" > Option< / span > < span class = "Other" > [< / span > < span class = "Identifier" > T< / span > < span class = "Other" > ]< / span > < span class = "Other" > ;< / span > < span class = "Identifier" > value< / span > < span class = "Other" > ,< / span > < span class = "Identifier" > body< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < span class = "Other" > )< / span > < span class = "Other" > :< / span > < span class = "Identifier" > untyped< / span > < / pre > < / dt >
< dd >
< p > This template provides a convenient way to work with < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > Option< / span > < / span > < / tt > types in Nim. It allows you to execute a block of code (< tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > body< / span > < / span > < / tt > ) only when the < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > Option< / span > < / span > < / tt > is not empty.< / p >
< p > < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > self< / span > < / span > < / tt > is the < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > Option< / span > < / span > < / tt > instance being checked. < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > value< / span > < / span > < / tt > is the variable name to be used within the < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > body< / span > < / span > < / tt > for the unwrapped value. < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > body< / span > < / span > < / tt > is a block of code that is executed only if < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > self< / span > < / span > < / tt > contains a value.< / p >
< p > The < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > value< / span > < / span > < / tt > within < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > body< / span > < / span > < / tt > is automatically unwrapped from the < tt class = "docutils literal" > < span class = "pre" > < span class = "Identifier" > Option< / span > < / span > < / tt > , making it simpler to work with without needing explicit checks or unwrapping.< / p >
< p > Example:< / p >
< p > < pre class = "listing" > < span class = "Keyword" > let< / span > < span class = "Identifier" > myOpt< / span > < span class = "Operator" > =< / span > < span class = "Identifier" > Opt< / span > < span class = "Operator" > .< / span > < span class = "Identifier" > some< / span > < span class = "Punctuation" > (< / span > < span class = "DecNumber" > 5< / span > < span class = "Punctuation" > )< / span >
< span class = "Identifier" > myOpt< / span > < span class = "Operator" > .< / span > < span class = "Identifier" > withValue< / span > < span class = "Punctuation" > (< / span > < span class = "Identifier" > value< / span > < span class = "Punctuation" > )< / span > < span class = "Punctuation" > :< / span >
< span class = "Identifier" > echo< / span > < span class = "Identifier" > value< / span > < span class = "Comment" > # Will print 5< / span >
< / pre > < / p >
< p > Note: This is a template, and it will be inlined at the call site, offering good performance.< / p >
< a
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href="https://github.com/status-im/nim-libp2p/tree/formatting/libp2p/utility.nim#L90"
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class="link-seesrc" target="_blank">Source< / a >
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< a href = "https://github.com/status-im/nim-libp2p/edit/devel/libp2p/utility.nim#L90" class = "link-seesrc" target = "_blank" > Edit< / a >
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< div class = "row" >
< div class = "twelve-columns footer" >
< span class = "nim-sprite" > < / span >
< br / >
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< small style = "color: var(--hint);" > Made with Nim. Generated: 2024-06-10 16:04:26 UTC< / small >
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