syntax_data: {"ast_node_type":"function","tokens":[{"end":70,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn LLVMConstNSWNeg(ConstantVal: LLVMValueRef) -> LLVMValueRef;
context_before:     pub fn LLVMConstNeg(ConstantVal: LLVMValueRef) -> LLVMValueRef;
context_after:     #[deprecated(since = "191.0.0", note = "Use LLVMConstNull instead.")]