Lean 4 — reference sample — DedSec Project
def greet (name : String) : String := "Hello, " ++ name ++ "!" eval greet "Ada"
Source reference
def greet (name : String) : String := "Hello, " ++ name ++ "!"
#eval greet "Ada"
def greet (name : String) : String := "Hello, " ++ name ++ "!" eval greet "Ada"
def greet (name : String) : String := "Hello, " ++ name ++ "!"
#eval greet "Ada"