fix(typechecker): show correct error for invalid sized types with using directive#932
Merged
SchoolyB merged 1 commit intobugfixes/1-7-2026from Jan 7, 2026
Merged
Conversation
…ng directive (#914) When a `using` directive was present, undefined types like `i512` showed "type mismatch" instead of "undefined type". Added check to detect invalid sized type patterns (i<N>, u<N>, f<N>) and reject them before deferring to module resolution.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
using stdcauses misleading error for undefined types like i512 #914usingdirective was present, undefined types likei512showed "type mismatch" (E3001) instead of "undefined type" (E3008)looksLikeBuiltinSizedType()helper to detect invalid sized type patterns (i<N>,u<N>,f<N>) and reject them before deferring to module resolutionChanges
pkg/typechecker/typechecker.go: Added pattern check beforeusingmodule fallbackTest plan
i512withusing stdnow shows "undefined type 'i512'"i512withoutusingstill shows "undefined type 'i512'"