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Fix typo in README.

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This commit is contained in:
Qi Xiao 2016-02-23 01:07:28 +01:00
parent 9c5f6ac9ab
commit 98f02a01b5
2 changed files with 8 additions and 1 deletions
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2
README.md
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@ -52,7 +52,7 @@ Elvish mimics bash and zsh in a lot of places. The following shows some key diff
/opt/bin:/bin:/sbin:/usr/bin
```
* You can manipulate the keybinding through the map `$le:binding`. For example, this binds Ctrl-L to clearing the terminal: `le:binding[insert][Ctrl-L]={ clear > /dev/tty }` The first indexed is the mode and the same is the key. (Yes, the braces enclose a lambda.)
* You can manipulate the keybinding through the map `$le:binding`. For example, this binds Ctrl-L to clearing the terminal: `le:binding[insert][Ctrl-L]={ clear > /dev/tty }`. The first index is the mode and the second is the key. (Yes, the braces enclose a lambda.)
Use `put $le:binding` to get a nice (albeit long) view of the current keybinding.

7
eval/builtin_func.go
View File

@ -8,6 +8,7 @@ import (
"errors"
"fmt"
"io"
"math"
"os"
"reflect"
"runtime"
@ -80,6 +81,7 @@ func init() {
&BuiltinFn{"-", wrapFn(minus)},
&BuiltinFn{"mul", wrapFn(times)},
&BuiltinFn{"div", wrapFn(divide)},
&BuiltinFn{"pow", wrapFn(pow)},
&BuiltinFn{"lt", wrapFn(lt)},
&BuiltinFn{"gt", wrapFn(gt)},
@ -492,6 +494,11 @@ func divide(ec *EvalCtx, prod float64, nums ...float64) {
out <- String(fmt.Sprintf("%g", prod))
}
func pow(ec *EvalCtx, b, p float64) {
out := ec.ports[1].Chan
out <- String(fmt.Sprintf("%g", math.Pow(b, p)))
}
var ErrFalse = errors.New("false")
func lt(ec *EvalCtx, nums ...float64) {