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3fb46fac32
fixes #12334 `nkHiddenStdConv` shouldn't be removed if the sources aren't literals, viz. constant symbols.
59 lines
1.2 KiB
Nim
59 lines
1.2 KiB
Nim
discard """
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targets: "c cpp js"
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"""
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import std/strutils
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template forceConst(a: untyped): untyped =
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## Force evaluation at CT, but `static(a)` is simpler
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const ret = a
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ret
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proc isNimVm(): bool =
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when nimvm: result = true
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else: result = false
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block:
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doAssert forceConst(isNimVm())
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doAssert not isNimVm()
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doAssert forceConst(isNimVm()) == static(isNimVm())
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doAssert forceConst(isNimVm()) == isNimVm().static
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template main() =
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# xxx merge more const related tests here
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const ct = CompileTime
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# refs https://github.com/timotheecour/Nim/issues/718, apparently `CompileTime`
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# isn't cached, which seems surprising.
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block:
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const
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a = """
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Version $1|
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Compiled at: $2, $3
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""" % [NimVersion & spaces(44-len(NimVersion)), CompileDate, ct]
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let b = $a
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doAssert ct in b, $(b, ct)
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doAssert NimVersion in b
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block: # Test for fix on broken const unpacking
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template mytemp() =
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const
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(x, increment) = (4, true)
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a = 100
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discard (x, increment, a)
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mytemp()
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block: # bug #12334
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block:
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const b: cstring = "foo"
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var c = b
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doAssert c == "foo"
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block:
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const a = "foo"
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const b: cstring = a
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var c = b
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doAssert c == "foo"
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static: main()
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main()
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