# -*- coding: utf-8 -*-
TITLE: print. unspecified = type text.
IN:
 <!yatt:args x>
 <h2>&yatt:x;</h2>
PARAM[
- <b>foo</b>
]
OUT:
 <h2>&lt;b&gt;foo&lt;/b&gt;</h2>

TITLE: assign -> print. type text
IN:
 <!yatt:args x=text y=text>
 <yatt:foo x="&yatt:x;bar&yatt:y;"/>
 <!yatt:widget foo x=text>
 <h2>&yatt:x;</h2>
PARAM[
- <b>
- </b>
]
OUT:
 <h2>&lt;b&gt;bar&lt;/b&gt;</h2>
 

TITLE: $var in text is just an text.
IN:
 <!yatt:args x=text y>
 <yatt:foo x="x=$x,y=@{[$y*8]},z=\U,w=%s"/>
 <!yatt:widget foo x=text>
 <h2>&yatt:x;</h2>
PARAM[
- foo
- bar
]
OUT:
 <h2>x=$x,y=@{[$y*8]},z=\U,w=%s</h2>
 

TITLE: print. type html
IN:
 <!yatt:args x=html>
 <h2>&yatt:x;</h2>
PARAM[
- <b>foo</b>
]
OUT:
 <h2><b>foo</b></h2>


TITLE: type list, expand & size
IN:
 <!yatt:args x=list>
 (&yatt:x:expand();) &yatt:x:size();
PARAM[
[
- a
- b
- c
]
]
OUT:
 (abc) 3

TITLE: type list, expand & size for undef
IN:
 <!yatt:args x=list>
 (&yatt:x:expand();) &yatt:x:size();
PARAM[
]
OUT:
 () 0

TITLE: type html, bare pass thru.
IN:
 <!yatt:args x=value>
 <h2><yatt:foo y=&yatt:x;/></h2>
 <!yatt:widget foo y=html>
 &yatt:y;
PARAM[
- <b>foo</b>
]
OUT:
 <h2><b>foo</b>
 </h2>


TITLE: assign -> print. type scalar
IN:
 <!yatt:args x=scalar y=scalar>
 <yatt:foo x="(&yatt:x; + &yatt:y;) * 2"/>
 <!yatt:widget foo x=scalar>
 <h2>&yatt:x;</h2>
PARAM[
- 3
- 8
]
OUT:
 <h2>22</h2>
 

TITLE: assign -> print. type list
IN:
 <!yatt:args x=list y=list>
 <yatt:foo x='join(",", &yatt:x:expand();, &yatt:y:expand();)'/>
 <!yatt:widget foo x=list>
 <h2>&yatt:x[0];</h2>
PARAM[
[
- 1
- 2
]
[
- 3
- 4
]
]
OUT:
 <h2>1,2,3,4</h2>
 

TITLE: attr (default)
IN:
 <!yatt:args class=attr>
 <div&yatt:class;></div>
PARAM[
- foo
]
OUT:
 <div class="foo"></div>

PARAM[
- 
]
OUT:
 <div></div>


TITLE: attr(other,value)
IN:
 <!yatt:args color=attr:class>
 <div&yatt:color(bar,baz);></div>
PARAM[
- foo
]
OUT:
 <div class="foo bar baz"></div>

PARAM[
]
OUT:
 <div class="bar baz"></div>
# In case of missing value