new .redefine pragma for templates, warn on redefinition without it (#20211)

* test CI for template redefinitions

* adapt asyncmacro

* fix quote

* fix again

* try something else

* revert

* fix ioselectors_select, disable packages CI

* adapt more tests & simplify

* more

* more

* more

* rename to redefine, warn on implicit redefinition

* basic documentation [skip ci]

* Update compiler/lineinfos.nim

Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>

Co-authored-by: konsumlamm <44230978+konsumlamm@users.noreply.github.com>
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metagn 2022-08-23 22:41:30 +03:00 • committed by GitHub
commit d1d141b135
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19 changed files with 85 additions and 25 deletions

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@ -22,7 +22,7 @@ block: # templates can be redefined multiple times
if not cond: fail(msg)
template assertionFailed(body: untyped) {.dirty.} =
template fail(msg: string): typed =
template fail(msg: string): typed {.redefine.} =
body
assertionFailed: