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Bug 11077 – iota() should be statically specialized for increment 1

Status: NEW
Severity: enhancement
Priority: P4
Component: phobos
Product: D
Version: D2
Platform: All
OS: All
Creation time: 2013-09-20T12:33:24Z
Last change time: 2024-12-01T16:18:48Z
Assigned to: No Owner
Creator: Andrei Alexandrescu

Comments

Comment #0 by andrei — 2013-09-20T12:33:24Z

iota() for integrals stores the step as a member variable. This makes the frequent case step=1 slower than it should. Calls using iota(max) or iota(min, max) should return a structure not storing step, and using ++ to get to the next item.

Comment #1 by iamthewilsonator — 2019-11-03T05:47:02Z

This is a phobos bug.

Comment #2 by robert.schadek — 2024-12-01T16:18:48Z

THIS ISSUE HAS BEEN MOVED TO GITHUB https://github.com/dlang/phobos/issues/10002 DO NOT COMMENT HERE ANYMORE, NOBODY WILL SEE IT, THIS ISSUE HAS BEEN MOVED TO GITHUB