8000 LazyUpdate::exec uses a &mut ref? · Issue #761 · amethyst/specs · GitHub
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LazyUpdate::exec uses a &mut ref? #761
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LazyUpdate::exec uses a &mut ref?#761
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@juliusl

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@juliusl
juliusl
opened on Nov 29, 2022

Description

LazyUpdate has two exec fn's, exec and exec_mut. However it looks like their function signatures are identical?

specs/src/world/lazy.rs

Lines 303 to 305 in 81073f3

pub fn exec<F>(&self, f: F)
where
F: FnOnce(&mut World) + 'static,

specs/src/world/lazy.rs

Lines 337 to 339 in 81073f3

pub fn exec_mut<F>(&self, f: F)
where
F: FnOnce(&mut World) + 'static,

I was wondering what is the difference between the two?

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