Initializing help system before first use

findident

Purpose
Find an identifier in the dictionary.
Synopsis
function findident(name:string, value:any):integer
Arguments
name 
Identifier
value 
Union where the value of the dictionary entry is returned
Return value
Aggregated type information of the returned dictionary entry, 0 if the identifier cannot be found or -1 if the value cannot be saved in the value variable.
Example
The following: 
public declarations
 glbint:integer
 val:any
end-declarations

writeln("glbint=",glbint)
if findident("glbint",val)=STRUCT_REF+integer.id then
 val.integer:=123
end-if
writeln("glbint=",glbint)
produces this output: 
glbint=0
glbint=123
Further information
1. This function returns the dictionary entry of a given identifier together with its type. The returned type information is bit encoded and associates a type code and a structure that can be decoded using getstruct, geteltype and gettypeid.
2. If the identifier corresponds to a global entity of a basic type ( i.e. integer, real, boolean or string) the resulting union value will contain a reference to the actual variable and any change to its value will be reported to the global entity.

Parent Topic Procedures and functions

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