Goto 音標拼音: [g'ot
, u] [g'oto]
到,去
到,去
goto *
goto 指令
(Or "GOTO ", "go to ", "GO TO ", "JUMP ", "JMP ") A
construct and {keyword } found in several higher -level
programming languages (e .g . {Fortran }, {COBOL }, {BASIC }, {C })
to cause an {unconditional jump } or transfer of {control } from
one point in a program to another . The destination of the
jump is usually indicated by a {label } following the GOTO
keyword .
In some languages , a label is a line number , in which case
every statement may be labelled , in others a label is an
optional alphanumeric {identifier }.
Use of the GOTO instruction in {high level language }
programming fell into disrepute with the development and
general acceptance of {structured programming }, and especially
following the famous article "GOTO statement {considered
harmful }". Since a GOTO is effectively an {assignment } to the
program counter }, it is tempting to make the generalisation
assignment considered harmful " and indeed , this is the basis
of {functional programming }.
Nearly (?) all {machine language } {instruction sets } include a
GOTO instruction , though in this context it is usually called
branch or jump or some {mnemonic } based on these .
See also {COME FROM }.
2000 -12 -13 )
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