namespace eval ::wsdb::types::mywebservice::symbol { variable base xsd::string variable validate ::wsdb::types::mywebservice::symbol::validate }
proc ::wsdb::types::mywebservice::symbol::validate { value } { variable base if {[::wsdb::types::${base}::validate "$value"] && [lsearch -exact {MSFT WMT XOM GM F GE } "$value"] > -1} { return 1 } else { return 0 } }