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add substringUnsafe roc function

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Folkert 2022-07-03 17:15:25 +02:00
parent 45eb8b9d77
commit be3800d7fa
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9 changed files with 29 additions and 0 deletions
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1
crates/compiler/builtins/bitcode/src/main.zig
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@ -155,6 +155,7 @@ comptime {
exportStrFn(str.strNumberOfBytes, "number_of_bytes");
exportStrFn(str.strFromFloatC, "from_float");
exportStrFn(str.strEqual, "equal");
exportStrFn(str.substringUnsafe, "substring_unsafe");
exportStrFn(str.strToUtf8C, "to_utf8");
exportStrFn(str.fromUtf8C, "from_utf8");
exportStrFn(str.fromUtf8RangeC, "from_utf8_range");

6
crates/compiler/builtins/roc/Str.roc
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@ -224,3 +224,9 @@ toI8 : Str -> Result I8 [InvalidNumStr]*
## Gets the byte at the given index, without performing a bounds check
getUnsafe : Str, Nat -> U8
## gives the number of string bytes
countBytes : Str -> Nat
## string slice that does not do bounds checking or utf-8 verification
substringUnsafe : Str, Nat, Nat -> Str

1
crates/compiler/builtins/src/bitcode.rs
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@ -324,6 +324,7 @@ pub const STR_TO_INT: IntrinsicName = int_intrinsic!("roc_builtins.str.to_int");
pub const STR_TO_FLOAT: IntrinsicName = float_intrinsic!("roc_builtins.str.to_float");
pub const STR_TO_DECIMAL: &str = "roc_builtins.str.to_decimal";
pub const STR_EQUAL: &str = "roc_builtins.str.equal";
pub const STR_SUBSTRING_UNSAFE: &str = "roc_builtins.str.substring_unsafe";
pub const STR_TO_UTF8: &str = "roc_builtins.str.to_utf8";
pub const STR_FROM_UTF8: &str = "roc_builtins.str.from_utf8";
pub const STR_FROM_UTF8_RANGE: &str = "roc_builtins.str.from_utf8_range";