invoked "break" outside of a loop

set numbers [ list 0 1 2 3 4 5 6 7 8 9 ]
proc foo {} {
#return break
#uplevel break
#namespace eval :: break
return -code break
}
foreach number $numbers {
if { $a == 3 } { foo }
puts $a
}

return break in foo gets me "invoked "break" outside of a loop"
uplevel break does the same.
namespace eval :: break does the same.
return -code break does what I want.

Should any of the first three approaches work like the fourth?

Sincerely,

russ@xxxxxxxx
.

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