---
title: FromStream.ts
nav_order: 24
parent: Modules
---
## FromStream overview
FromStream is a Typeclass which represents the Natural Transformation from a Stream into another
effect.
Added in v0.9.2
---
Table of contents
- [Combinator](#combinator)
- [chainFirstStreamK](#chainfirststreamk)
- [chainStreamK](#chainstreamk)
- [Constructor](#constructor)
- [fromStreamK](#fromstreamk)
- [Typeclass](#typeclass)
- [FromStream (type alias)](#fromstream-type-alias)
- [FromStream1 (type alias)](#fromstream1-type-alias)
- [FromStream2 (type alias)](#fromstream2-type-alias)
- [FromStream2C (type alias)](#fromstream2c-type-alias)
- [FromStream3 (type alias)](#fromstream3-type-alias)
- [FromStream3C (type alias)](#fromstream3c-type-alias)
- [FromStream4 (type alias)](#fromstream4-type-alias)
- [FromStream4C (type alias)](#fromstream4c-type-alias)
---
# Combinator
## chainFirstStreamK
**Signature**
```ts
export declare function chainFirstStreamK(
F: FromStream1,
C: Chain1,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
export declare function chainFirstStreamK(
F: FromStream2,
C: Chain2,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
export declare function chainFirstStreamK(
F: FromStream3,
C: Chain3,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
export declare function chainFirstStreamK(
F: FromStream4,
C: Chain4,
): (
f: (value: A) => S.Stream,
) => (hkt: Hkt) => Hkt
export declare function chainFirstStreamK(
F: FromStream,
C: Chain,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
```
Added in v0.9.2
## chainStreamK
**Signature**
```ts
export declare function chainStreamK(
F: FromStream1,
C: Chain1,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
export declare function chainStreamK(
F: FromStream2,
C: Chain2,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
export declare function chainStreamK(
F: FromStream3,
C: Chain3,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
export declare function chainStreamK(
F: FromStream4,
C: Chain4,
): (
f: (value: A) => S.Stream,
) => (hkt: Hkt) => Hkt
export declare function chainStreamK(
F: FromStream,
C: Chain,
): (f: (value: A) => S.Stream) => (hkt: Hkt) => Hkt
```
Added in v0.9.2
# Constructor
## fromStreamK
**Signature**
```ts
export declare function fromStreamK(
F: FromStream1,
): (f: (...args: A) => S.Stream) => (...args: A) => Hkt
export declare function fromStreamK(
F: FromStream2,
): (
f: (...args: A) => S.Stream,
) => (...args: A) => Hkt
export declare function fromStreamK(
F: FromStream3,
): (
f: (...args: A) => S.Stream,
) => (...args: A) => Hkt
export declare function fromStreamK(
F: FromStream4,
): (
f: (...args: A) => S.Stream,
) => (...args: A) => Hkt
export declare function fromStreamK(
F: FromStream,
): (f: (...args: A) => S.Stream) => (...args: A) => Hkt
```
Added in v0.9.2
# Typeclass
## FromStream (type alias)
**Signature**
```ts
export type FromStream = {
readonly URI?: F
readonly fromStream: (Stream: S.Stream) => HKT
}
```
Added in v0.9.2
## FromStream1 (type alias)
**Signature**
```ts
export type FromStream1 = {
readonly URI?: F
readonly fromStream: NaturalTransformation11
}
```
Added in v0.9.2
## FromStream2 (type alias)
**Signature**
```ts
export type FromStream2 = {
readonly URI?: F
readonly fromStream: NaturalTransformation12
}
```
Added in v0.9.2
## FromStream2C (type alias)
**Signature**
```ts
export type FromStream2C = {
readonly URI?: F
readonly fromStream: NaturalTransformation12C
}
```
Added in v0.9.2
## FromStream3 (type alias)
**Signature**
```ts
export type FromStream3 = {
readonly URI?: F
readonly fromStream: NaturalTransformation13
}
```
Added in v0.9.2
## FromStream3C (type alias)
**Signature**
```ts
export type FromStream3C = {
readonly URI?: F
readonly fromStream: NaturalTransformation13C
}
```
Added in v0.9.2
## FromStream4 (type alias)
**Signature**
```ts
export type FromStream4 = {
readonly URI?: F
readonly fromStream: NaturalTransformation14
}
```
Added in v0.9.2
## FromStream4C (type alias)
**Signature**
```ts
export type FromStream4C = {
readonly URI?: F
readonly fromStream: NaturalTransformation14C
}
```
Added in v0.9.2