syntax_data: {"ast_node_type":"other","tokens":[{"end":30,"kind":"keyword","start":0,"text":"options.env"}]}
source_snippet:     options.env = "p1".into();
context_before:     options.os = "wasi".into();
context_after:     options.add_pre_link_args(LinkerFlavor::WasmLld(Cc::Yes), &["--target=wasm32-wasip1"]);