style(lib): use rust 2018 edition idioms (#1910)
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@@ -57,13 +57,13 @@ impl Exec {
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struct TokioSpawnError;
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impl fmt::Debug for TokioSpawnError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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fmt::Debug::fmt("tokio::spawn failed (is a tokio runtime running this future?)", f)
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}
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}
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impl fmt::Display for TokioSpawnError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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fmt::Display::fmt("tokio::spawn failed (is a tokio runtime running this future?)", f)
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}
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}
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@@ -99,7 +99,7 @@ impl Exec {
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}
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impl fmt::Debug for Exec {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Exec")
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.finish()
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}
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