Ruby 4.1.0dev (2026-10-07 revision 87e9ab041029e401af51c289fb81764ac10e903b)
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nodiscard.h File Reference

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Macros

#define PRISM_NODISCARD   __attribute__((__warn_unused_result__))
 Mark the return value of a function as important so that the compiler warns if a caller ignores it.
 

Macro Definition Documentation

◆ PRISM_NODISCARD

#define PRISM_NODISCARD   __attribute__((__warn_unused_result__))

Mark the return value of a function as important so that the compiler warns if a caller ignores it.

This is useful for functions that return error codes or allocated resources that must be freed.

Definition at line 15 of file nodiscard.h.