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definite assignment analysis for let (#21024)

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* draft for let daa

* patch

* fixes bugs

* errors for global let variable reassignments

* checkpoint

* out param accepts let

* add more tests

* add documentation

* merge tests
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ringabout 2022-12-06 17:19:12 +08:00 • committed by GitHub
commit b2c7019006
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9 changed files with 144 additions and 30 deletions
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5
tests/init/tlet_uninit2.nim Normal file
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@ -0,0 +1,5 @@
discard """
errormsg: "'let' symbol requires an initialization"
"""
let x: int