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source-academy / py-slang / 23358379274

20 Mar 2026 07:04PM UTC coverage: 42.088% (+7.2%) from 34.925%
23358379274

Pull #104

github

web-flow
Merge f181149a6 into 8feccc8f9
Pull Request #104: feat: replace hand-written parser with Nearley grammar

402 of 1286 branches covered (31.26%)

Branch coverage included in aggregate %.

546 of 621 new or added lines in 22 files covered. (87.92%)

36 existing lines in 2 files now uncovered.

1412 of 3024 relevant lines covered (46.69%)

54.74 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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