Remove as_str if the type is already &str#64739

Merged

bors merged 6 commits intorust-lang:masterfrom

guanqun:remove-as-str

Oct 7, 2019

Commits on Oct 2, 2019

remove 'as_str' when it's already a str type.
Guanqun Lu
committed
add test files
Guanqun Lu
committed
comment fixes
Guanqun Lu
committed
add FIXME and use 'span_label'
Guanqun Lu
committed
fix unit tests
Guanqun Lu
committed
typo fix in the code
Guanqun Lu
committed