package json

source helper.tcl
# randomness verified by a die throw
set ::rand 4

proc give::recursive::count {base p} { ; # 2 mandatory params
    while {$p > 0} {
        set result [expr $result * $base]; incr p -1
    }
    return $result
}

set a 'a'; set b "bcdef"; set lst [list "item"]
puts [llength $a$b]

set ::my::tid($id) $::my::tid(def)
lappend lst $arr($idx) $::my::arr($idx) $ar(key)
lreplace ::my::tid($id) 4 4
puts $::rand ${::rand} ${::AWESOME::component::variable}

puts "$x + $y is\t [expr $x + $y]"

proc isprime x {
    expr {$x>1 && ![regexp {^(oo+?)\1+$} [string repeat o $x]]}
}