feat(corelib): OptionTrait::unwrap_or_else

[enitrat]

adds unwrap_or_else to OptionTrait

[reviewable-StarkWare]

This change is 

[orizi]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @enitrat)

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a discussion (no related file):
@TomerStarkware 2nd eye.

[TomerStarkware]

Reviewable status: all files reviewed, 3 unresolved discussions (waiting on @enitrat)

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corelib/src/option.cairo line 249 at r1 (raw file):

    /// assert!(Option::None.unwrap_or_else(|| 2 * k) == 20);
    /// ```
    fn unwrap_or_else<F, +Drop<F>, impl func: core::ops::Fn<F, ()>[Output: T], +Drop<func::Output>>(

core::ops::FnOnce

Code quote:

core::ops::Fn

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corelib/src/option.cairo line 309 at r1 (raw file):

    #[inline]
    fn unwrap_or_else<F, +Drop<F>, impl func: core::ops::Fn<F, ()>[Output: T], +Drop<func::Output>>(

core::ops::FnOnce

Suggestion:

core::ops::Fn

[enitrat]

Reviewable status: 1 of 2 files reviewed, 3 unresolved discussions (waiting on @orizi and @TomerStarkware)

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corelib/src/option.cairo line 249 at r1 (raw file):

Previously, TomerStarkware wrote…

core::ops::FnOnce

Done.

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corelib/src/option.cairo line 309 at r1 (raw file):

Previously, TomerStarkware wrote…

core::ops::FnOnce

Done.

[TomerStarkware]

Reviewed 1 of 1 files at r4, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @enitrat)

[orizi]

Reviewed all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @enitrat)