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source-academy / py-slang / 23373760751

21 Mar 2026 06:20AM UTC coverage: 41.676% (+6.8%) from 34.925%
23373760751

Pull #104

github

web-flow
Merge 68903fac4 into 8feccc8f9
Pull Request #104: feat: replace hand-written parser with Nearley grammar

299 of 1055 branches covered (28.34%)

Branch coverage included in aggregate %.

549 of 609 new or added lines in 24 files covered. (90.15%)

8 existing lines in 1 file now uncovered.

1203 of 2549 relevant lines covered (47.19%)

51.92 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

33.33
/src/validator/features/no-lambda.ts
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import { ExprNS } from "../../ast-types";
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import { ASTNode, FeatureValidator, FeatureNotSupportedError } from "../types";
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export const NoLambdaValidator: FeatureValidator = {
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  validate(node: ASTNode): void {
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    if (node instanceof ExprNS.Lambda) {
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      throw new FeatureNotSupportedError("lambda expressions", node);
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    }
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    if (node instanceof ExprNS.MultiLambda) {
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      throw new FeatureNotSupportedError("multi-line lambda expressions", node);
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    }
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  },
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};
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