They do not want to break single-pass compilers. Nested functions with no forwar... | Hacker News

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		anticensor on Nov 15, 2018 \| parent \| context \| favorite \| on: There’s a Hole in the Bottom of the C: Effectivene... They do not want to break single-pass compilers. Nested functions with no forward declarations will require a multi-pass compiler. I think your D compiler is multi-pass already.

naasking on Nov 15, 2018 | [–]

> They do not want to break single-pass compilers. Nested functions with no forward declarations will require a multi-pass compiler.

Why is that exactly?

WalterBright on Nov 15, 2018 | [–]

Nested functions are done in one pass. As you might infer, they cannot be forward referenced within the function.

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