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Better error if neither single_threaded or multi_threaded features is on

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This commit is contained in:
Emil Ernerfeldt 2021-09-25 05:26:45 +02:00
parent 52e49bd4ae
commit 976260c2bd
2 changed files with 4 additions and 1 deletions
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2
egui/Cargo.toml
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@ -47,7 +47,7 @@ cint = ["epaint/cint"]
persistence = ["serde", "epaint/persistence", "ron"]
# Only needed if you plan to use the same egui::Context from multiple threads.
# multi_threaded is only needed if you plan to use the same egui::Context from multiple threads.
single_threaded = ["epaint/single_threaded"]
multi_threaded = ["epaint/multi_threaded"]

3
epaint/src/mutex.rs
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@ -2,6 +2,9 @@
//!
//! When the `single_threaded` feature is on the mutexes will panic when locked from different threads.
#[cfg(not(any(feature = "single_threaded", feature = "multi_threaded")))]
compile_error!("Either feature \"single_threaded\" or \"multi_threaded\" must be enabled.");
// ----------------------------------------------------------------------------
/// The lock you get from [`Mutex`].