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16.6.0 released on Mar 08, 2023 | articles updated on Mar 20, 2023

Inline code

Purpose: Inline Vely code in string statements.

<<vely code>>
You can write Vely code within other Vely statements that build strings, whether for output (output_statement) or to build other strings (write-string), by using << and >> delimiters. There is no need for white space between the delimiters and Vely code, i.e. you could either write
<<p-web my_string>>
<<  p-web my_string  >>
to the same effect.


query-result statement displays the result of a query, and in the following code it's used to display results on the same line as other output (i.e. as inline):
   @    <td>
   @        First name is << query-result  firstName >>
   @    </td>
   @    <td>
   @        Last name is << query-result# employees, lastName >>
   @    </td>
In the code below, "some_function()" is a C function that uses Vely code to output some text, and it's used inline to output "Hello world":
@Hello <<.some_function();>>
(note the usage of dot statement to use any C expression, and finishing with semi-colon as a C statement). Function "some_function()" would simply output "world":
void some_function()
A write-string can be built with other Vely statements inlined, in this case we print the value of another string, resulting in "There is 42 minutes left!":
char * mins="42";
(( define my_string
There is <<p-out mins>> minutes left!

See also

Language ( dot   inline_code   statement_APIs   syntax_highlighting   unused-var  )  SEE ALL (documentation)

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