syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // i64:64    = 64-bit-integer, minimum_alignment=64, preferred_alignment=64
context_before:         // i16:16:32 = 16-bit-integer, minimum_alignment=16, preferred_alignment=32
context_after:         // i128:128  = 128-bit-integer, minimum_alignment=128, preferred_alignment=128