mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-31 02:12:11 +00:00
33 lines
876 B
Nim
33 lines
876 B
Nim
import unittest
|
|
|
|
template t(a: int): expr = "int"
|
|
template t(a: string): expr = "string"
|
|
|
|
test "templates can be overloaded":
|
|
check t(10) == "int"
|
|
check t("test") == "string"
|
|
|
|
test "previous definitions can be further overloaded or hidden in local scopes":
|
|
template t(a: bool): expr = "bool"
|
|
|
|
check t(true) == "bool"
|
|
check t(10) == "int"
|
|
|
|
template t(a: int): expr = "inner int"
|
|
check t(10) == "inner int"
|
|
check t("test") == "string"
|
|
|
|
test "templates can be redefined multiple times":
|
|
template customAssert(cond: bool, msg: string): stmt =
|
|
if not cond: fail(msg)
|
|
|
|
template assertion_failed(body: stmt) {.immediate.} =
|
|
template fail(msg: string): stmt = body
|
|
|
|
assertion_failed: check msg == "first fail path"
|
|
customAssert false, "first fail path"
|
|
|
|
assertion_failed: check msg == "second fail path"
|
|
customAssert false, "second fail path"
|
|
|