String joining - Revision history

Nmingott: hilight

2025-05-05T10:00:33Z

hilight

← Older revision		Revision as of 10:00, 5 May 2025
Line 14:		Line 14:

	== Case 2. Join the elements of an array into a string ==		== Case 2. Join the elements of an array into a string ==
	'''Example'''		'''Example'''<syntaxhighlight lang="smalltalk">
	". simplest case"		". simplest case"
	' ' join: #('hello' 'world'). "=> 'hello world' "		' ' join: #('hello' 'world'). "=> 'hello world' "


			</syntaxhighlight><syntaxhighlight lang="smalltalk">
	". showing toString auto-conversion "		". showing toString auto-conversion "
	' ' join: #('hello, this is value: ' 123). "=> 'hello, this is value: 123' "		' ' join: #('hello, this is value: ' 123). "=> 'hello, this is value: 123' "

			</syntaxhighlight><syntaxhighlight lang="smalltalk">
	". joiner is not only a space, the case of CSV file production "		". joiner is not only a space, the case of CSV file production "
	', ' join: #('name' 'last name' 'email'). "=> 'name, last name, email' "
	', ' join: #('~~nicola~~' '~~mingotti~~' '~~foobar@gmail.com~~'). "=> '~~nicola~~, ~~mingotti~~, ~~foobar@gmail.com~~' "		', ' join: #('name' 'last name' 'email'). "=> 'name, last name, email' "
			', ' join: #('nicola' 'mingotti' 'foobar@gmail.com'). "=> 'nicola, mingotti, foobar@gmail.com' "
			</syntaxhighlight>
	----Dr. Nicola Mingotti first wrote this on 22-Sep-2021. Tested in Cuis5.0-4871.image.		----Dr. Nicola Mingotti first wrote this on 22-Sep-2021. Tested in Cuis5.0-4871.image.

Nmingott: hili

2025-05-05T09:56:16Z

hili

← Older revision		Revision as of 09:56, 5 May 2025
Line 1:		Line 1:

	== Case 1. Comma Join ==		== Case 1. Comma Join ==
	'''Example'''		'''Example'''<syntaxhighlight lang="smalltalk">
	". simplest case "		". simplest case "
	'hello', ' world' . "=> 'hello world' "		'hello', ' world' . "=> 'hello world' "
			</syntaxhighlight><syntaxhighlight lang="smalltalk">
		⚫	". more elements "
		⚫	'hello', ' world', ', good day !'. "=> 'hello world, good day !' "
			</syntaxhighlight><syntaxhighlight lang="smalltalk">
		⚫	". conversion to string is needed in comma joins "
		⚫	'hello', ' world' , ' it is n.' , 3 asString, ' times i say it'. "=> 'hello world it is n.3 times i say it' "
			</syntaxhighlight>

⚫	". more elements "
⚫	'hello', ' world', ', good day !'. "=> 'hello world, good day !' "

⚫	". conversion to string is needed in comma joins "
⚫	'hello', ' world' , ' it is n.' , 3 asString, ' times i say it'. "=> 'hello world it is n.3 times i say it' "

	== Case 2. Join the elements of an array into a string ==		== Case 2. Join the elements of an array into a string ==

Nmingott: importe material

2025-05-04T20:03:23Z

importe material

New page

== Case 1. Comma Join ==
'''Example'''
". simplest case "
'hello', ' world' . "=> 'hello world' "

". more elements "
'hello', ' world', ', good day !'. "=> 'hello world, good day !' "

". conversion to string is needed in comma joins "
'hello', ' world' , ' it is n.' , 3 asString, ' times i say it'. "=> 'hello world it is n.3 times i say it' "

== Case 2. Join the elements of an array into a string ==
'''Example'''
". simplest case"
' ' join: #('hello' 'world'). "=> 'hello world' "

". showing toString auto-conversion "
' ' join: #('hello, this is value: ' 123). "=> 'hello, this is value: 123' "

". joiner is not only a space, the case of CSV file production "
', ' join: #('name' 'last name' 'email'). "=> 'name, last name, email' "
', ' join: #('nicola' 'mingotti' 'foobar@gmail.com'). "=> 'nicola, mingotti, foobar@gmail.com' "
----Dr. Nicola Mingotti first wrote this on 22-Sep-2021. Tested in Cuis5.0-4871.image.