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Get rid of trick with type parameter

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Mark Spanbroek 2024-01-09 10:40:27 +01:00 committed by markspanbroek
parent d463d491cc
commit 672248f431
1 changed files with 3 additions and 3 deletions
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questionable/private/binderror.nim
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@ -24,13 +24,13 @@ macro captureBindError*(error: var ref CatchableError, expression): auto =
func error[T](option: Option[T]): ref CatchableError = func error[T](option: Option[T]): ref CatchableError =
newException(ValueError, "Option is set to `none`") newException(ValueError, "Option is set to `none`")
macro bindFailed*(expression; _: type = void) = macro bindFailed*(expression: typed) =
## Called when a binding (=?) fails. ## Called when a binding (=?) fails.
## Assigns an error to the error variable (specified in captureBindError()) ## Assigns an error to the error variable (specified in captureBindError())
## when appropriate. ## when appropriate.
# This macro has a type parameter to ensure that the compiler does not # The `expression` parameter is typed to ensure that the compiler does not
# expand it before it expands invocations of captureBindError(). # expand bindFailed() before it expands invocations of captureBindError().
# check that we have an error variable on the stack # check that we have an error variable on the stack
if errorVariableNames.len > 0: if errorVariableNames.len > 0: