Fixed issues in quickstart and taglib

* Updated expected YAML in 02
 * Fixed duplicate TagIds in taglib

doc/snippets/quickstart/02/01-out.yaml

@@ -2,15 +2,15 @@
 --- 
 !nim:system:seq(nim:custom:Person) [
    !nim:custom:Person {
-      ? !!str "name"
+      ? !nim:field "name"
       : !!str "Karl Koch",
-      ? !!str "age"
+      ? !nim:field "age"
       : !nim:system:int32 "23"
    },
    !nim:custom:Person {
-      ? !!str "name"
+      ? !nim:field "name"
       : !!str "Peter Pan",
-      ? !!str "age"
+      ? !nim:field "age"
       : !nim:system:int32 "12"
    }
 ]

test/tquickstart.nim

@@ -46,6 +46,8 @@ proc outputTest(path: string): bool =
     currentDir = getCurrentDir()
     basePath = currentDir / ".."
     absolutePath = currentDir / path
+    outFileExpected = path / "01-out.yaml"
+    outFileActual = path / "out.yaml"
   copyFile(codeFileOrig, codeFileDest)
   defer: removeFile(codeFileDest)
   var process = startProcess("nim c --hints:off -p:" & escape(basePath) &
@@ -69,9 +71,10 @@ proc outputTest(path: string): bool =
       echo process.outputStream().readAll()
       result = false
     else:
+      defer: removeFile(outFileActual)
       var
-        expected = open(path / "01-out.yaml", fmRead)
-        actual = open(path / "out.yaml", fmRead)
+        expected = open(outFileExpected, fmRead)
+        actual = open(outFileActual, fmRead)
         lineNumber = 1
       defer:
         expected.close()

yaml/taglib.nim

@@ -94,7 +94,10 @@ const
     ## for seqs that are nil. This tag is used regardless of the seq's generic
     ## type parameter.
 
-  yFirstCustomTagId* : TagId = 1000.TagId ## \
+  yFirstStaticTagId* : TagId = 1000.TagId ## \
+    ## The first ``TagId`` assigned by the ``setTagId`` templates.
+
+  yFirstCustomTagId* : TagId = 10000.TagId ## \
     ## The first ``TagId`` which should be assigned to an URI that does not
     ## exist in the ``YamlTagLibrary`` which is used for parsing.
 
@@ -217,7 +220,7 @@ var
     ## `serializable <#serializable,stmt,stmt>`_.
 
 var
-  nextStaticTagId {.compileTime.} = 100.TagId ## \
+  nextStaticTagId {.compileTime.} = yFirstStaticTagId ## \
     ## used for generating unique TagIds with ``setTagUri``.
   registeredUris {.compileTime.} = newSeq[string]() ## \
     ## Since Table doesn't really work at compile time, we also store
@@ -249,6 +252,8 @@ template setTagUri*(t: typedesc, uri: string, idName: untyped): typed =
   static:
     registeredUris.add(uri)
     nextStaticTagId = TagId(int(nextStaticTagId) + 1)
+  when nextStaticTagId == yFirstCustomTagId:
+    {.fatal: "Too many tags!".}
   serializationTagLibrary.tags[uri] = idName
   proc yamlTag*(T: typedesc[t]): TagId {.inline, raises: [].} = idName
     ## autogenerated