v0.7.1 Improved Switch Statements

Switch statements now properly handle breaks and returns. The calculator example can be modified to:

fun to_dec(num -str-) =dec=>
	switch num ==>
		"0" ?->
			<-- 0
		"1" ?->
			<-- 1
		"2" ?->
			<-- 2
		"3" ?->
			<-- 3
		"4" ?->
			<-- 4
		"5" ?->
			<-- 5
		"6" ?->
			<-- 6
		"7" ?->
			<-- 7
		"8" ?->
			<-- 8
		"9" ?->
			<-- 9
		other ?->
			<-- -1
	<==
<==

fun enter_num =dec=>
	str_num <-con str-< input("Enter a number 0-9: ")
	dec_num <-con dec-< to_dec(str_num)
	
	if dec_num = -1 ==>
		output("Invalid.")
		<-- enter_num
	<==
	
	<-- dec_num
<==


fun enter_calc =str=>
	calc <-con str-< input("Enter calculation (+,-,*,/): ")

	if calc != "+" && calc != "-" && calc != "*" && calc != "/" ==>
		output("Invalid.")
		<-- enter_calc
	<==
	
	<-- calc
<==

num_1 <-con dec-< enter_num
calc  <-con str-< enter_calc
num_2 <-con dec-< enter_num

result <-var dec-< 0

switch calc ==>
	"+" ?->
		result <-< num_1 + num_2
		break
	"-" ?->
		result <-< num_1 - num_2
		break
	"*" ?->
		result <-< num_1 * num_2
		break
	"/" ?->
		result <-< num_1 / num_2
		break
<==

v0.7.0 Switch Statements

This release adds switch statements to Bow.

Example program (you have to run in debug mode to see final variable value 🤣):

fun to_dec(num -str-) =dec=>
	switch num ==>
		"0" ?->
			<-- 0
			break
		"1" ?->
			<-- 1
			break
		"2" ?->
			<-- 2
			break
		"3" ?->
			<-- 3
			break
		"4" ?->
			<-- 4
			break
		"5" ?->
			<-- 5
			break
		"6" ?->
			<-- 6
			break
		"7" ?->
			<-- 7
			break
		"8" ?->
			<-- 8
			break
		"9" ?->
			<-- 9
			break
		other ?->
			<-- -1
			break
	<==
<==

fun enter_num =dec=>
	str_num <-con str-< input("Enter a number 0-9: ")
	dec_num <-con dec-< to_dec(str_num)
	
	if dec_num = -1 ==>
		output("Invalid.")
		<-- enter_num
	<==
	
	<-- dec_num
<==

fun enter_calc =str=>
	calc <-con str-< input("Enter calculation (+,-,*,/): ")

	if calc != "+" && calc != "-" && calc != "*" && calc != "/" ==>
		output("Invalid.")
		<-- enter_calc
	<==
	
	<-- calc
<==

num_1 <-con dec-< enter_num
calc  <-con str-< enter_calc
num_2 <-con dec-< enter_num

result <-var dec-< 0

switch calc ==>
	"+" ?->
		result <-< num_1 + num_2
		break
	"-" ?->
		result <-< num_1 - num_2
		break
	"*" ?->
		result <-< num_1 * num_2
		break
	"/" ?->
		result <-< num_1 / num_2
		break
<==

v0.6.0 Functions

You can now declare and call your own functions and call the 2 current builtin functions: input and output.

v0.5.0 Bracketed Expressions

You can now have bracketed expression in your Bow code. Calculations follow bidmas

v0.4.0 If Statements

You can now do if statements in Bow! The syntax is:

if condition ==>
  (stuff)
<== altif condition ==>
  (stuff)
<== alt ==>
  (stuff)
<==

v0.3.0 Variable Assignment

You can now re-assign variables after declaration

v0.2.0 Intereactive Shell

You can now run Bow statements in the Bow Interactive Shell. Just run ./Bow.exe

v0.1.0

Run Bow files by running the executable with the file path as the first argument.
e.g.
>> ./Bow.exe hello.bow

What's Changed

• ✨ Add declaration of variables by @Coding-Cactus in #1

New Contributors

• @Coding-Cactus made their first contribution in #1

Full Changelog: https://github.com/Coding-Cactus/Bow/commits/v0.1.0