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std: explain prefer TryInto over TryFrom when specifying traits bounds on generic function #140791

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@xizheyin xizheyin commented May 8, 2025

Fixes #140761

This PR keeps the explanations of Into and From consistent and adds explanations for TryInto and TryFrom.

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@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels May 8, 2025
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TryFrom and TryInto docs don't say that TryInto should be preferred in bounds.
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