Standard Library Tables

Concat Separator

Join array-style values with table.concat.

joined text `table.concat` returns one string, so the replay can show the scalar result without exposing a table object.

Concat Separator

separator
concat_separator.lua
Replay: real traced execution (multi-file project)
local separator = ","
local joined = table.concat({"red", "green", "blue"}, separator)
print("separator=" .. separator)
print("joined=" .. joined)

local separator = "-"
local joined = table.concat({"red", "green", "blue"}, separator)
print("separator=" .. separator)
print("joined=" .. joined)

local separator = "|"
local joined = table.concat({"red", "green", "blue"}, separator)
print("separator=" .. separator)
print("joined=" .. joined)

  1. separator ← ,, joined ← red,green,blue

    1local separator→ , = "," --@separator="-", "|"2local joined→ red,green,blue = table.concat({"red", "green", "blue"}, separator,)3print("separator=" .. separator,)4print("joined=" .. joinedred,green,blue)
    outputseparator=,
joined=red,green,blue

  1. separator ← -, joined ← red-green-blue

    1local separator→ - = "-"2local joined→ red-green-blue = table.concat({"red", "green", "blue"}, separator-)3print("separator=" .. separator-)4print("joined=" .. joinedred-green-blue)
    outputseparator=-
joined=red-green-blue

  1. separator ← |, joined ← red|green|blue

    1local separator→ | = "|"2local joined→ red|green|blue = table.concat({"red", "green", "blue"}, separator|)3print("separator=" .. separator|)4print("joined=" .. joinedred|green|blue)
    outputseparator=|
joined=red|green|blue