mwinterb
commented
1 year ago The documentation wasn't fully updated for 9.0.
The example from docs from the current master works fine in 9.0: https://fmt.dev/dev/api.html#argument-lists
On Tue, Feb 14, 2023, 16:15 Remy Jette @.***> wrote:
In https://fmt.dev/latest/api.html#argument-lists the docs state "You can create your own formatting function with compile-time checks and small binary footprint" and provide an example.
I tried putting that example into Compiler Explorer, and thus far am unable to get it to perform checks at compile time. I wondered if it was because the function did not have visibility into the arguments during compile time checks, but even an invalid formatting string with an unmatched { is not caught at compile time, only at runtime with a fmt::v9::format_error.
Am I doing something wrong, or does that example not actually support compile-time checks despite the docs saying it does? Or are there some compile time checks it can do but not all, and I just didn't find any of those?
https://godbolt.org/z/3ox8n8eP4
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remyjette
In https://fmt.dev/latest/api.html#argument-lists the docs state "You can create your own formatting function with compile-time checks and small binary footprint" and provide an example.
I tried putting that example into Compiler Explorer, and thus far am unable to get it to perform checks at compile time. I wondered if it was because the function did not have visibility into the arguments during compile time checks, but even an invalid formatting string with an unmatched
{is not caught at compile time, only at runtime with afmt::v9::format_error.Am I doing something wrong, or does that example not actually support compile-time checks despite the docs saying it does? Or are there some compile time checks it can do but not all, and I just didn't find any of those?
https://godbolt.org/z/3ox8n8eP4