syntax_data: {"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // and NEON SIMD instructions
context_before:             // Cortex-A7/A8/A9 support VFPv3-D32/VFPv4-D32 with optional double-precision
context_after:             features: "+vfp3,+neon".into(),