import unittest template t(a: int): string = "int" template t(a: string): string = "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): string = "bool" check t(true) == "bool" check t(10) == "int" template t(a: int): string = "inner int" check t(10) == "inner int" check t("test") == "string" test "templates can be redefined multiple times": template customAssert(cond: bool, msg: string): typed {.dirty.} = if not cond: fail(msg) template assertionFailed(body: untyped) {.dirty.} = template fail(msg: string): typed = body assertionFailed: check(msg == "first fail path") customAssert false, "first fail path" assertionFailed: check(msg == "second fail path") customAssert false, "second fail path"