Ashish@mastodon.social to Linux@lemmy.ml · edit-21 year ago[@linux](https://lemmy.ml/c/linux) [@programmerhumor](https://lemmy.ml/c/programmerhumor) !programmerhumor@lemmy.mlfiles.mastodon.socialimagemessage-square27fedilinkarrow-up1366arrow-down148file-text
arrow-up1318arrow-down1image[@linux](https://lemmy.ml/c/linux) [@programmerhumor](https://lemmy.ml/c/programmerhumor) !programmerhumor@lemmy.mlfiles.mastodon.socialAshish@mastodon.social to Linux@lemmy.ml · edit-21 year agomessage-square27fedilinkfile-text
minus-squareSuccessful_Try543@feddit.delinkfedilinkarrow-up29·1 year agoThis comes from early years, when FORTRAN was introduced and the programmers needed to save space in the punch cards. Today, to avoid this possible source of bugs, you usually state “implicit none” in the preamble.
minus-squareGregoryTheGreat@programming.devlinkfedilinkarrow-up20·1 year agoSo I’ve been an engineer doing code ports to newer versions of Fortran. I never knew why that was at the top of every file. Thank you.
 [@programmerhumor](https://lemmy.ml/c/programmerhumor) !programmerhumor@lemmy.ml](https://lemmy.kya.moe/imgproxy?src=files.mastodon.social%2fmedia_attachments/files/110/957/578/506/504/291/original/37350059e5bb4a36.png){kind=link}
This comes from early years, when FORTRAN was introduced and the programmers needed to save space in the punch cards. Today, to avoid this possible source of bugs, you usually state “implicit none” in the preamble.
So I’ve been an engineer doing code ports to newer versions of Fortran. I never knew why that was at the top of every file. Thank you.