Qualify all references in macros to avoid name clashes #729
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This change replaces all unqualified references in macros with a qualified reference from
_macro_support
to avoid name clashes. I ran into the same issue as this tokio-rs/tracing#3023 with theline!
macro.I went ahead and used a qualified path for any references to
core
andstd
out of an abundance of caution since some people do have crates namedcore
(tokio-rs/tracing#2761).