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Diffstat (limited to 'tests/parser/toprprec.nim')
-rw-r--r-- | tests/parser/toprprec.nim | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/parser/toprprec.nim b/tests/parser/toprprec.nim new file mode 100644 index 000000000..e6a43d42e --- /dev/null +++ b/tests/parser/toprprec.nim @@ -0,0 +1,37 @@ +discard """ + output: "done" +""" +# Test operator precedence: + +template `@@` (x: untyped): untyped = + `self`.x + +template `@!` (x: untyped): untyped = x +template `===` (x: untyped): untyped = x + +type + TO = object + x: int + TA = tuple[a, b: int, obj: TO] + +proc init(self: var TA): string = + @@a = 3 + === @@b = 4 + @@obj.x = 4 + @! === result = "abc" + result = @@b.`$` + +assert 3+5*5-2 == 28- -26-28 + +proc `^-` (x, y: int): int = + # now right-associative! + result = x - y + +assert 34 ^- 6 ^- 2 == 30 +assert 34 - 6 - 2 == 26 + + +var s: TA +assert init(s) == "4" + +echo "done" |