lean4-htt/examples/scripts/lakefile.lean
2023-04-15 20:07:47 -04:00

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417 B
Text

import Lake
open Lake DSL
package scripts
/--
Display a greeting
USAGE:
lake run greet [name]
Greet the entity with the given name. Otherwise, greet the whole world.
-/
@[default_script]
script greet (args) do
if h : 0 < args.length then
IO.println s!"Hello, {args.get ⟨0, h⟩}!"
else
IO.println "Hello, world!"
return 0
@[default_script]
script dismiss do
IO.println "Goodbye!"
return 0