syntax_data: {"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Append the given basic block to the basic block list of the given function.
context_before:     );
context_after:     pub fn LLVMAppendExistingBasicBlock(Fn: LLVMValueRef, BB: LLVMBasicBlockRef);