[たちぎえる,
tachigieru] (v1,
vi) (1) (See 立ち消え・1) to go out (of a fire,
etc.); to die out (before burning to ash); (2) (See 立ち消え・たちぎえ・2) to fall through (of plans,
etc.); to fizzle out; to come to nothing [Add to Longdo]
Result from Foreign Dictionaries (2 entries found)
From WordNet (r) 3.0 (2006) [wn]:
fall through
v 1: fail utterly; collapse; "The project foundered" [syn: {fall
through}, {fall flat}, {founder}, {flop}]
From The Jargon File (version 4.4.7, 29 Dec 2003) [jargon]:
fall through
v.
(n. fallthrough, var.: fall-through)
1. To exit a loop by exhaustion, i.e., by having fulfilled its exit
condition rather than via a break or exception condition that exits from
the middle of it. This usage appears to be really old, dating from the
1940s and 1950s.
2. To fail a test that would have passed control to a subroutine or some
other distant portion of code.
3. In C, ?fall-through? occurs when the flow of execution in a switch
statement reaches a case label other than by jumping there from the switch
header, passing a point where one would normally expect to find a break. A
trivial example:
switch (color)
{
case GREEN:
do_green();
break;
case PINK:
do_pink();
/* FALL THROUGH */
case RED:
do_red();
break;
default:
do_blue();
break;
}
The variant spelling /* FALL THRU */ is also common.
The effect of the above code is to do_green() when color is GREEN, do_red()
when color is RED, do_blue() on any other color other than PINK, and (and
this is the important part) do_pink() and then do_red() when color is PINK.
Fall-through is {considered harmful} by some, though there are contexts
(such as the coding of state machines) in which it is natural; it is
generally considered good practice to include a comment highlighting the
fall-through where one would normally expect a break. See also {Duff's
device}.
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
