warn, str
Print a warning message
Arguments
str: message
Example Usage
IDL> warn, "This may be a problem"
Source Code
PRO warn, str
;+##`warn, str`
;+Print a warning message
;+###Arguments
;+ **str**: message
;+
;+###Example Usage
;+```idl
;+IDL> warn, "This may be a problem"
;+```
print, colored('WARNING: '+str,c='y')
END