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Diffstat (limited to 'docs/checks/README-qstring-ref.md')
| -rw-r--r-- | docs/checks/README-qstring-ref.md | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/docs/checks/README-qstring-ref.md b/docs/checks/README-qstring-ref.md new file mode 100644 index 00000000..7dcf05e8 --- /dev/null +++ b/docs/checks/README-qstring-ref.md @@ -0,0 +1,17 @@ +# qstring-ref + +Finds places where `QString::fooRef()` should be used instead of `QString::foo()`, to avoid temporary heap allocations. + +#### Example + + str.mid(5).toInt(ok) // BAD + + str.midRef(5).toInt(ok) // GOOD + +Where `mid` can be any of: `mid`, `left`, `right`. +And `toInt()` can be any of: `compare`, `contains`, `count`, `startsWith`, `endsWith`, `indexOf`, `isEmpty`, `isNull`, `lastIndexOf`, `length`, `size`, `to*`, `trimmed` + +#### FixIts + +Fixing the above cases can be automated with: +`export CLAZY_FIXIT="fix-missing-qstringref"` |