syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Determine whether the specified value instance is constant.
context_before:     pub fn LLVMReplaceAllUsesWith(OldVal: LLVMValueRef, NewVal: LLVMValueRef);
context_after:     pub fn LLVMIsConstant(Val: LLVMValueRef) -> LLVMBool;