No-arg method hint request

[stevemessick]

I wish there was a hint that told me when I had a method with no arguments and I was just closurizing it and throwing the result away rather than calling it.

Alan Knight
////////////////////////////////////////////////////////////////////////////////////
Editor: 1.1.0.edge_031147 (2013-12-13)
OS: Mac OS X - x86_64 (10.9)
JVM: 1.6.0_65

projects: 6

open dart files: 63

auto-run pub: false
localhost resolves to: 127.0.0.1
mem max/total/free: 1983 / 1049 / 407 MB
thread count: 70
index: 1203850 relationships in 218639 keys in -7715 sources

SDK installed: true
Dartium installed: true

[stevemessick]

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Attachment:
screenshot.png (333.36 KB)

[clayberg]

Added Analyzer-Hint label.

[kasperl]

Removed this from the Later milestone.
Added Oldschool-Milestone-Later label.

[kasperl]

Removed Oldschool-Milestone-Later label.

[srawlins]

I still think we should have a lint for this.

[zoechi]

Work in progress dart-lang/linter#1014 (comment)
I haven't found the new PR @davidmorgan mentioned.

This was previously part of dart-lang/linter#1019 but was removed to become its own lint.

[davidmorgan]

Actually the decision was to keep it part of unnecessary_statements, and make unnecessary_statements more useful by fixing up some false positives.

So the answer to this issue should be just, the lint is unnecessary_statements :)

[pq]

Closing here in favor of follow-up on the linter (and unnecessary_statements).

Thanks!