diff options
| author | Timothee Cour <timothee.cour2@gmail.com> | 2021-08-24 21:50:40 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-08-25 06:50:40 +0200 |
| commit | 3aa16c1de00c723d48e48fe3fdf07a276d1b4b6a (patch) | |
| tree | d4547a8ab662981357d06334bf46f935f18e65d4 /tests/misc | |
| parent | 3d1bba04ab1092630983695734d6984ddff4688c (diff) | |
| download | Nim-3aa16c1de00c723d48e48fe3fdf07a276d1b4b6a.tar.gz | |
fix RFC #341: dot-like operators are now parsed with same precedence as `.` (#18711)
* fix RFC #341: dot-like operators are now parsed with same precedence as `.` * fixup * [skip ci] address comment in changelog * address comment * update grammmar * add manual entry * fixup * -d:nimPreviewDotLikeOps * address comment to unblock PR: move nimPreviewDotLikeOps out of config/config.nims
Diffstat (limited to 'tests/misc')
| -rw-r--r-- | tests/misc/trfc_341.nim | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/misc/trfc_341.nim b/tests/misc/trfc_341.nim new file mode 100644 index 000000000..37cf675c6 --- /dev/null +++ b/tests/misc/trfc_341.nim @@ -0,0 +1,27 @@ +# test for https://github.com/nim-lang/RFCs/issues/341 +import std/json +import std/jsonutils +import std/macros + +macro fn1(a: untyped): string = newLit a.lispRepr + +doAssert fn1(a.?b.c) == """(DotExpr (Infix (Ident ".?") (Ident "a") (Ident "b")) (Ident "c"))""" + +template `.?`(a: JsonNode, b: untyped{ident}): JsonNode = + a[astToStr(b)] + +proc identity[T](a: T): T = a +proc timesTwo[T](a: T): T = a * 2 + +template main = + let a = (a1: 1, a2: "abc", a3: (a4: 2.5)) + let j = a.toJson + doAssert j.?a1.getInt == 1 + doAssert j.?a3.?a4.getFloat == 2.5 + doAssert j.?a3.?a4.getFloat.timesTwo == 5.0 + doAssert j.?a3.identity.?a4.getFloat.timesTwo == 5.0 + doAssert j.identity.?a3.identity.?a4.identity.getFloat.timesTwo == 5.0 + doAssert j.identity.?a3.?a4.identity.getFloat.timesTwo == 5.0 + +static: main() +main() |