invoke_builtin_function

solana_program_test

Function invoke_builtin_function 

Source 
pub fn invoke_builtin_function(
    builtin_function: ProcessInstruction,
    invoke_context: &mut InvokeContext<'_, '_>,
) -> Result<u64, Box<dyn Error>>
👎Deprecated since 3.1.0: This crate has been marked for formal inclusion in the Agave Unstable API. From v4.0.0 onward, the agave-unstable-api crate feature must be specified to acknowledge use of an interface that may break without warning.