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| author | Jonathan Wakely <jwakely@redhat.com> | 2023-04-13 16:34:51 +0100 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2023-04-14 11:58:39 +0100 |
| commit | 6a9547f3ca6c48f116478169d5fc62165dde7f43 (patch) | |
| tree | 7b1cabf4790f70ec44103b969be04e790d8de9ea /gcc | |
| parent | b0e85485fbf042abccee5c0a9eb499da386c8db3 (diff) | |
| download | gcc-6a9547f3ca6c48f116478169d5fc62165dde7f43.zip gcc-6a9547f3ca6c48f116478169d5fc62165dde7f43.tar.gz gcc-6a9547f3ca6c48f116478169d5fc62165dde7f43.tar.bz2 | |
libstdc++: Improve diagnostics for invalid std::format calls
Add a static_assert and a comment so that calling std::format for
unformattable argument types will now show:
/home/jwakely/gcc/13/include/c++/13.0.1/format:3563:22: error: static assertion failed: std::formatter must be specialized for each format arg
3563 | static_assert((is_default_constructible_v<formatter<_Args, _CharT>> && ...),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
and:
140 | formatter() = delete; // No std::formatter specialization for this type.
libstdc++-v3/ChangeLog:
* include/std/format (formatter): Add comment to deleted default
constructor of primary template.
(_Checking_scanner): Add static_assert.
Diffstat (limited to 'gcc')
0 files changed, 0 insertions, 0 deletions