doc.jl

"1st foo: x::Int->x+1"
function foo(x::Int)
  return x+1
end

"2nd foo: x::Float64->x/2"
function foo(x::Float64)
  return x/2
end

function bar(x::Int)
  return x+1
end

function bar(x::Float64)
  return x/2
end

"1st bar: x::Int->x+1"
bar

"2nd bar: x::Float64->x/2"
bar

# `@doc foo` shows both
# `@doc bar` shows only the 2nd