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| author | Marshall Lochbaum <mwlochbaum@gmail.com> | 2021-03-04 22:00:26 -0500 |
|---|---|---|
| committer | Marshall Lochbaum <mwlochbaum@gmail.com> | 2021-03-04 22:52:08 -0500 |
| commit | 681f958f0d9dfbcd1f42753557a1a729c384ca52 (patch) | |
| tree | f7455cad088becc593707a8890c915b8d63a92b9 /spec | |
| parent | d34d752220f645b253c722bd39e479452ed36e41 (diff) | |
Add •Eval, •Using, and •Fmt to spec
Diffstat (limited to 'spec')
| -rw-r--r-- | spec/system.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/spec/system.md b/spec/system.md index 827af981..10d643ef 100644 --- a/spec/system.md +++ b/spec/system.md @@ -41,11 +41,22 @@ Functions `•FChars`, `•FLines`, and `•FBytes` are all ambivalent. If only - Lines: BQN strings. The file is decoded as with chars, then split into lines by CR, LR, or CRLF line endings. - Bytes: Single-byte values, stored as BQN characters from `@` to `@+255`. +## Execution and scope manipulation + +| Name | Summary +|------------|-------------------------- +| `•BQN` | Evaluate the argument string in an isolated scope +| `•Eval` | Evaluate the argument string in the current scope +| `•Using` | Import all values from the argument namespace + +The effect of `•Eval` should be the same as if its argument were written as source code in the scope where `•Eval` appears. It can define variables, and modify those in the current scope or a parent. + ## Input and output | Name | Summary |--------|---------------------- | `•Out` | Print argument string +| `•Fmt` | Format value for printing ## Operation properties |