fix for "panic message is not a string literal".

PistonDevelopers / conrod

An easy-to-use, 2D GUI library written entirely in Rust.

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Closed lubosmudrak closed 8 months ago

lubosmudrak commented 3 years ago

Fixed "panic message is not a string literal". format!() macro is not needed, removed for compatibility with Rust 2021 edition.

lubosmudrak commented 8 months ago

Closing the pull request because of no response since 2021.