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| author | Xander <xander@biltopia.org> | 2023-08-20 22:57:07 +0200 |
|---|---|---|
| committer | Xander <xander@biltopia.org> | 2023-08-20 23:03:17 +0200 |
| commit | 70cca66089896730797a71ba545c7f4e87b12975 (patch) | |
| tree | 167a22d505b32bf80bd8b432833e12a74a98941b /lib/SATS/valid.sats | |
| parent | 7fce269442cb37810a14d088ea4a61d040ec3066 (diff) | |
| download | ats-os-70cca66089896730797a71ba545c7f4e87b12975.tar.xz ats-os-70cca66089896730797a71ba545c7f4e87b12975.zip | |
Diffstat (limited to 'lib/SATS/valid.sats')
| -rw-r--r-- | lib/SATS/valid.sats | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/SATS/valid.sats b/lib/SATS/valid.sats index 83081fe..bfbbc23 100644 --- a/lib/SATS/valid.sats +++ b/lib/SATS/valid.sats @@ -8,16 +8,17 @@ absviewt@ype valid(a:viewt@ype,b:bool) = (a,bool b) viewtypedef Valid(a:viewt@ype) = [b : bool] valid(a,b) // Wraps valid value. -fn {a:viewt@ype} create_valid(a) : valid(a,true) +fn {a:viewt@ype} create_valid(a) :<> valid(a,true) // Creates unvalid type. -fn {a:viewt@ype} create_unvalid() : valid(a,false) +fn {a:viewt@ype} create_unvalid() :<> valid(a,false) // Only function that allows getting value. Only accepts valid values. -fn {a:viewt@ype} unwrap_valid(valid(a,true)) : a +fn {a:viewt@ype} unwrap_valid(valid(a,true)) :<> a -castfn destroy_unvalid{a:viewt@ype}(valid(a,false)) : void +castfn destroy_unvalid{a:viewt@ype}(valid(a,false)) :<> void // Check if value is valid -fn{a:viewt@ype} is_valid{b:bool}(!valid(a,b)) : bool b +fn{a:viewt@ype} is_valid{c:bool}(!valid(a,c) >> valid(a,b)) :<> #[b:bool] bool b + |