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Change toString implementations to a common "get empty string" (#16185)

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implementation, to avoid needless bloat.
Change the literal toString to a static member, to allow calling at
compile-time.
This commit is contained in:
Steven Schveighoffer 2024-02-14 01:24:24 -05:00 • committed by GitHub
parent 98443676dc
commit bb6766a6ec
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1 changed files with 12 additions and 10 deletions
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22
druntime/src/core/interpolation.d
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@ -91,6 +91,14 @@
+/ +/
module core.interpolation; module core.interpolation;
/++
Common implementation for returning an empty string, to avoid storing
multiple versions of the same function based on templated types below.
+/
public string __getEmptyString() @nogc pure nothrow @safe {
return "";
}
/++ /++
Sentinel values to indicate the beginning and end of an Sentinel values to indicate the beginning and end of an
interpolated expression sequence. interpolated expression sequence.
@ -104,9 +112,7 @@ struct InterpolationHeader {
Returns `null` for easy compatibility with existing functions Returns `null` for easy compatibility with existing functions
like `std.stdio.writeln` and `std.conv.text`. like `std.stdio.writeln` and `std.conv.text`.
+/ +/
string toString() const @nogc pure nothrow @safe { alias toString = __getEmptyString;
return null;
}
} }
/// ditto /// ditto
@ -115,9 +121,7 @@ struct InterpolationFooter {
Returns `null` for easy compatibility with existing functions Returns `null` for easy compatibility with existing functions
like `std.stdio.writeln` and `std.conv.text`. like `std.stdio.writeln` and `std.conv.text`.
+/ +/
string toString() const @nogc pure nothrow @safe { alias toString = __getEmptyString;
return null;
}
} }
/++ /++
@ -130,7 +134,7 @@ struct InterpolatedLiteral(string text) {
segment of the tuple, for easy access and compatibility with segment of the tuple, for easy access and compatibility with
existing functions like `std.stdio.writeln` and `std.conv.text`. existing functions like `std.stdio.writeln` and `std.conv.text`.
+/ +/
string toString() const @nogc pure nothrow @safe { static string toString() @nogc pure nothrow @safe {
return text; return text;
} }
} }
@ -150,7 +154,5 @@ struct InterpolatedExpression(string text) {
Returns `null` for easy compatibility with existing functions Returns `null` for easy compatibility with existing functions
like `std.stdio.writeln` and `std.conv.text`. like `std.stdio.writeln` and `std.conv.text`.
+/ +/
string toString() const @nogc pure nothrow @safe { alias toString = __getEmptyString;
return null;
}
} }