Lua - Revision history

JoeStrout: /* Lists */ fix formatting typo

2025-08-01T22:21:42Z

Lists: fix formatting typo

Redspark at 02:26, 30 January 2025

2025-01-30T02:26:48Z

JoeStrout: /* Strings */

2022-12-11T00:07:53Z

Strings

JoeStrout: /* Differences */

2022-12-11T00:06:54Z

Differences

JoeStrout: /* Maps */

2022-12-10T23:54:24Z

Maps

JoeStrout: /* Maps */

2022-12-10T23:54:05Z

Maps

JoeStrout: /* Lists */

2022-12-10T23:50:46Z

Lists

JoeStrout: /* Maps */

2022-12-10T23:48:01Z

Maps

JoeStrout: /* Maps */

2022-12-10T23:04:20Z

Maps

JoeStrout: /* Lists */

2022-12-10T21:34:54Z

Lists

@@ Line 108: / Line 108: @@
 * MiniScript lists are manipulated by [[Slice|slicing]] or [[Dot syntax|dot-syntax]] methods like <c>len</c>, <c>insert</c>, and <c>remove</c>, rather than by functions in the <c>table</c> module.
 * MiniScript lists can safely contain [[null]].
-* MiniScript lists can be concatenated with the `+` operator.
+* MiniScript lists can be concatenated with the <c>+</c> operator.
 === Maps ===

← Older revision		Revision as of 02:26, 30 January 2025
Line 197:		Line 197:
	\| print s[i:j]		\| print s[i:j]
	\|}		\|}
		+
		+	[[Category:Community]]

@@ Line 194: / Line 194: @@
 |-
 | Get substring from ''i'' to ''j''
-| print(string.sub(i,j)
+| print(string.sub(i,j))
 | print s[i:j]
 |}

@@ Line 108: / Line 108: @@
 * MiniScript lists are manipulated by [[Slice|slicing]] or [[Dot syntax|dot-syntax]] methods like <c>len</c>, <c>insert</c>, and <c>remove</c>, rather than by functions in the <c>table</c> module.
 * MiniScript lists can safely contain [[null]].
 === Maps ===
@@ Line 155: / Line 156: @@
 end if
 print "The index that maps to ""uno"" is: " + d.indexOf("uno")</ms>

@@ Line 144: / Line 144: @@
 |}
-Commonly used map methods include [[len]], [[remove]], [[hasIndex]], [[indexOf]], [[indexes]], and [[values]].  Note that [[len]] returns the number of key-value pairs in the table, which is different from both <c>getn</c> and <c>#</c> in Lua.
+Commonly used map methods include [[len]], [[remove]], [[hasIndex]], [[indexOf]], [[indexes]], and [[values]].  Note that [[len]] returns the number of key-value pairs in the map, which is different from both <c>getn</c> and <c>#</c> in Lua.
 <ms>print "This map has " + d.len + " pairs in it."

← Older revision		Revision as of 23:48, 10 December 2022
Line 111:		Line 111:

	Lua tables (when used as associative arrays, not list-style arrays) are similar in purpose to MiniScript maps, but there are a number of differences.		Lua tables (when used as associative arrays, not list-style arrays) are similar in purpose to MiniScript maps, but there are a number of differences.
		+
		+	Maps in MiniScript can take any data type as keys. In map literals these keys use the same syntax as in any other context (unlike in Lua, where string keys are specified without quotes if they are valid identifiers, or with square brackets plus quotes otherwise). Instead of <c>=</c>, MiniScript uses <c>:</c> to separate the keys from the values.
		+
		+	{\| class="wikitable"
		+	\|-
		+	! Lua
		+	! MiniScript
		+	\|-
		+	\| <pre>d = {one=1, two=2, three=3, ["forty two"]=42}</pre>
		+	\| <ms>d = {"one":1, "two":2, "three":3, "forty two":42}</ms>
		+	\|}
		+
		+	Accessing items by key is done with square-brackets in both languages. When the keys are valid identifiers, MiniScript also allows [[dot syntax]].
		+	<ms>print d["one"]
		+	d["one"] = "uno"
		+	d.two = "dos"</ms>
		+
		+	Iterating over the key-value pairs is common in both languages, but the syntax is different. In MiniScript, iterating over a map gives you, on each iteration, a little map containing <c>key</c> and <c>value</c>.
		+
		+	{\| class="wikitable"
		+	\|-
		+	! Lua
		+	! MiniScript
		+	\|-
		+	\| <pre>for k,v in pairs(d)
		+	do print(k,v)
		+	end</pre>
		+	\| <ms>for kv in d
		+	print kv.key + " " + kv.value
		+	end for</ms>
		+	\|}
		+
		+	Commonly used map methods include [[len]], [[remove]], [[hasIndex]], [[indexOf]], [[indexes]], and [[values]].
		+
		+	<ms>print "This map has " + d.len + " pairs in it."
		+	print "The keys are: " + d.indexes
		+	print "and values are: " + d.values
		+	if d.hasIndex("two") then
		+	print """two"" is one of the indexes, and its value is " + d["two"]
		+	else
		+	print "but ""two"" is not one of the indexes."
		+	end if
		+	print "The index that maps to ""uno"" is: " + d.indexOf("uno")</ms>

← Older revision		Revision as of 23:04, 10 December 2022
Line 109:		Line 109:

	=== Maps ===		=== Maps ===
		+
		+	Lua tables (when used as associative arrays, not list-style arrays) are similar in purpose to MiniScript maps, but there are a number of differences.

@@ Line 90: / Line 90: @@
 | first = table.remove(a, 1)<br />
 | first = a.pull
 |-
 | Get index of an array item