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Fixes #66 by skipping over sink types in the sameType macro #67

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Fixes #66 by skipping over sink types in the sameType macro #67

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2 changes: 1 addition & 1 deletion union.nimble
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# Package

version = "0.2.0"
version = "0.2.1"
author = "Leorize"
description = "Anonymous unions in Nim"
license = "MIT"
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11 changes: 11 additions & 0 deletions union/typeutils.nim
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Expand Up @@ -56,13 +56,24 @@ func newTypedesc*(n: NimNode): NimNode =
## Create a typedesc[n]
nnkBracketExpr.newTree(bindSym"typedesc", copy(n))


proc skipSink(n: NimNode): NimNode =
if n.kind == nnkBracketExpr and n[0].eqIdent"sink":
n[1]
else:
n

func sameType*(a, b: NimNode): bool =
## A variant of sameType to workaround:
##
## * https://github.com/nim-lang/Nim/issues/18867
##
## * https://github.com/nim-lang/Nim/issues/19072

let
a = a.skipSink()
b = b.skipSink()

# XXX: compiler bug workaround; see https://github.com/nim-lang/Nim/issues/18867
if macros.sameType(a, b) or macros.sameType(b, a):
# XXX: compiler bug workaround; see https://github.com/nim-lang/Nim/issues/19072
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