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Add peek_first #26

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foresterre opened this issue Sep 20, 2019 · 0 comments
Open

Add peek_first #26

foresterre opened this issue Sep 20, 2019 · 0 comments
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A-high-level-api Area: for API's where the queue buffer management is handled internally C-enhancement good first issue Github global label for issues and PRs for new contributors. Always also use: status = help-wanted Hacktoberfest help wanted Github global label for issues and PRs for new contributors. Always also use: status = help-wanted

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foresterre commented Sep 20, 2019 •
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Always peeks at the first element regardless of where the cursor is.
@foresterre foresterre changed the title Add 'peek_first' Add peek_first Sep 20, 2019
@foresterre foresterre added C-enhancement good first issue Github global label for issues and PRs for new contributors. Always also use: status = help-wanted Hacktoberfest help wanted Github global label for issues and PRs for new contributors. Always also use: status = help-wanted and removed kind = enhancement labels Aug 26, 2020
@foresterre foresterre added the A-high-level-api Area: for API's where the queue buffer management is handled internally label Sep 4, 2020
bors bot added a commit that referenced this issue Feb 18, 2023
@bors @ForgottenMaster
Merge #61
a5a082c 
61: Fix for Issue #26 r=foresterre a=ForgottenMaster

I've added a peek_first method to the iterator which is simply a wrapper around peek_nth(0) that allows access to the first unconsumed element in the iterator regardless of cursor position.

Also added a unit test for this method.

Co-authored-by: Robin Firth <theforgottenmaster@googlemail.com>
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A-high-level-api Area: for API's where the queue buffer management is handled internally C-enhancement good first issue Github global label for issues and PRs for new contributors. Always also use: status = help-wanted Hacktoberfest help wanted Github global label for issues and PRs for new contributors. Always also use: status = help-wanted
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