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Function std.process.environment.opIndex
Retrieves the value of the environment variable with the given name
auto path = environment["PATH"];
Prototype
static string opIndex( const(char[]) name ) @safe;
Throws
Exception if the environment variable does not exist,
or std.utf.UTFException if the variable contains invalid UTF-16
characters (Windows only).
See also
environment.get, which doesn't throw on failure.
Authors
Lars Tandle Kyllingstad, Steven Schveighoffer, Vladimir Panteleev