syntax_data: {"ast_node_type":"function","tokens":[{"end":67,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn LLVMConstNeg(ConstantVal: LLVMValueRef) -> LLVMValueRef;
context_before:     pub fn LLVMSizeOf(Ty: LLVMTypeRef) -> LLVMValueRef;
context_after:     pub fn LLVMConstNSWNeg(ConstantVal: LLVMValueRef) -> LLVMValueRef;