cplusplus / cplusplus/draft

[stmt.do] Needs some work

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Description

In [stmt.do], it is stated that "the expression is contextually converted ...".

No grammar rule is provided in this paragraph, so it is a complete mystery to the reader what expression is being referred to. The expression is also called "condition" in [stmt.while], but this is not done in [stmt.do].

Also, unlike [stmt.while], the construction of the semantics does not happen in terms of goto, but is done in prose. This is another ugly asymmetry.

Last but no least, a note could be used to clarify the difference to while, or an example could show that a do ... while (false) statement is executed exactly once.

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Research direction

Review [stmt.do] and compare its wording with [stmt.while], focusing on the unnamed expression, the condition terminology, and the differing semantic presentation. Done means the do-statement wording has an explicit grammar reference, consistent semantics, and an optional note or example clarifying its difference from while.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
documentation
Issue type
Documentation
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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