Identify the compiler used and its various features.
Vendor specific string naming the compiler, for example: "Digital Mars D".
Master list of D compiler vendors.
Compiler vendor could not be detected
Digital Mars D (DMD)
GNU D Compiler (GDC)
LLVM D Compiler (LDC)
D.NET
Stupid D Compiler (SDC)
Which vendor produced this compiler.
The vendor specific version number, as in version_major.version_minor
The version of the D Programming Language Specification supported by the compiler.
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Licensed under the Boost License 1.0.
https://dlang.org/phobos/std_compiler.html