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Should I Parenthesize std::min and std::max When Using NOMINMAX?

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Release: 2024-11-09 17:10:02
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Should I Parenthesize std::min and std::max When Using NOMINMAX?

std::min/max Ambiguity with NOMINMAX

In an attempt to leverage the std::min and std::max functions within a C project that integrates Windows.h, you've introduced the NOMINMAX directive to avoid potential name collisions. However, you've encountered a roadblock when attempting to access these functions in files that don't directly use NOMINMAX.

To resolve this issue, Microsoft suggests resorting to an unorthodox solution:

Parenthesize the Function Names

Within the files that lack the NOMINMAX directive, surround the std::min and std::max function names with parentheses. This syntax, (std::min)(x, y) and (std::max)(x, y), prevents the compiler from interpreting them as function-like macros, which can interfere with your intent.

It's important to note that this solution is not ideal and should only be considered a last resort. The proper approach is to ensure that NOMINMAX is defined in all files where you intend to use std::min and std::max, allowing the compiler to consistently resolve their ambiguities.

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