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| author | flywind <xzsflywind@gmail.com> | 2021-03-29 20:22:29 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-29 14:22:29 +0200 |
| commit | 81e54c1d30b7651851b9de56d76b9af81e192504 (patch) | |
| tree | b617b6cc0b2cf9de12a71e41385bd355bd3efab6 /lib | |
| parent | 04520c0ce4ed38a3fbae37731a4979480144c77b (diff) | |
| download | Nim-81e54c1d30b7651851b9de56d76b9af81e192504.tar.gz | |
Add `hasClosure` to `std/typetraits` (#17501)
* fix nim js cmp fails at CT * Add `hasClosure` to `std/effecttraits` * type * Update changelog.md Co-authored-by: Timothee Cour <timothee.cour2@gmail.com> * Update lib/std/effecttraits.nim Co-authored-by: Timothee Cour <timothee.cour2@gmail.com> Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pure/typetraits.nim | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/pure/typetraits.nim b/lib/pure/typetraits.nim index 6827e23b1..2527dc26e 100644 --- a/lib/pure/typetraits.nim +++ b/lib/pure/typetraits.nim @@ -263,3 +263,14 @@ since (1, 1): type T2 = T genericParamsImpl(T2) + + +proc hasClosureImpl(n: NimNode): bool = discard "see compiler/vmops.nim" + +proc hasClosure*(fn: NimNode): bool {.since: (1, 5, 1).} = + ## Return true if the func/proc/etc `fn` has `closure`. + ## `fn` has to be a resolved symbol of kind `nnkSym`. This + ## implies that the macro that calls this proc should accept `typed` + ## arguments and not `untyped` arguments. + expectKind fn, nnkSym + result = hasClosureImpl(fn) |