syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // - compiler's libdir: $sysroot/lib/*.dll
context_before:         // `dll` will be in one of the following two:
context_after:         // - target's libdir: $sysroot/lib/rustlib/$target/lib/*.dll